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Blazer russet: An early to Mid-Season potato cultivar with high U.S. no. 1 yields and good processing and culinary qualities

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Abstract

‘Blazer Russet’ is an early to mid-season cultivar notable for its high U.S. No. 1 yield of medium-russeted tubers and its good processing and culinary qualities. It was derived from the cross A7816-14 x ‘NorKing Russet’ and was released in 2005 by the USDA-ARS and the Agricultural Experiment Stations of Idaho, Oregon and Washington. Blazer Russet is very suitable for processing into French fries and other frozen potato products directly from the field or from extended storage, with higher merit scores than ‘Russet Burbank’ and ‘Ranger Russet’ in processing and post-harvest evaluations. Blazer Russet also has high merit for use in the fresh market, with sensory evaluations comparable to those of Russet Burbank. Total yields for Blazer Russet at five early harvest trial locations in the western United States were 12% greater than either ‘Russet Norkotah’ or ‘Shepody’, while U.S. No. 1 yields were 12% greater than Russet Norkotah and 35% greater than Shepody. Specific gravities of Blazer Russet tubers were comparable to tubers of Shepody, and higher than those of Russet Norkotah in early harvest trials. In full-season trials in the western United States, total yields for Blazer Rus set were slightly lower than Ranger Russet and slightly higher than Russet Burbank, but U.S. No. 1 yields were 8% greater than Ranger Russet and 38% greater than Russet Burbank. In these full-season trials, tuber specific gravity of Blazer Russet was similar to Russet Burbank, but lower than Ranger Russet. Blazer Russet is resistant to sugar ends, tuber malformations and most internal and external defects, the exception being its moderate susceptibility to hollow heart. Blazer Russet is resistant to common scab, tuber powdery scab and PVX, and has moderate resistance to blackspot bruise and tuber late blight infections. It is moderately susceptible to powdery scab root galling, PVY0, early blight infection of the tuber, Erwinia soft rot and Fusarium dry rot. Blazer Russet is susceptible to Verticillium wilt, pink rot, PLRV net necrosis, corky ringspot, and foliar early blight and late blight.

Resumen

‘Blazer Russet’ es un cultivar de precoz a mediano, notable por su rendimiento de tubérculos U.S. No. 1, de tubérculos rugoso mediano y buenas cualidades culinarias y de procesamiento. Es derivado de un cruzamiento de A7816-14 x ‘NorKing Russet’ y fue liberado en 2005 por el USDA-ARS y las Estaciones Experimentales Agrícolas de Idaho, Oregon y Washington. Blazer Russet es muy apropiado para el procesamiento de papa frita y otros productos congelados, directamente del campo o de almacenamiento prolongado, con mayores méritos que ‘Russet Burbank’ y ‘Ranger Russet’ en evaluaciones de procesamiento de pos cosecha. Blazer Russet también tiene grandes méritos para su comercialización en fresco, con evaluaciones sensoriales comparables a las de Russet Burbank. El rendimiento total de Blazer Russet en pruebas de cosecha temprana en cinco localidades en el oeste de los Estados Unidos fueron 12% mayores que ‘Russet Norkotah’ o ‘Shepody’, mientras que el rendimiento de U.S. No. 1 fue 12% mayor que Russet Norkotah y 35% más que Shepody. La gravedad específica de los tubérculos de Blazer Russet fue comparable a los de Shepody y más alta que los de Russet Norkotah en pruebas de cosecha temprana. En pruebas de periodo de cultivo completo en el Oeste de Estados Unidos, el rendimiento total de Blazer Russet fue ligeramente menor que el de Ranger Russet y un poco mayor que Russet Burbank, pero los rendimientos de U.S. No. 1 fueron 8% mayores que Ranger Russet y 38% mayores que Russet Burbank. En las pruebas de periodo de cultivo completo, la gravedad específica del tubérculo de Blazer Russet fue similar a Russet Burbank, pero más baja que Ranger Russet. Blazer Russet es resistente a punta azucarada, malformaciones del tubérculo y la mayoría de defectos internos y externos, con excepción de su moderada susceptibilidad al corazón vacío. Blazer Russet es resistente a la sarna común, sarna polvorienta del tubérculo y PVX y tiene resistencia moderada a la mancha negra por golpes y a la infección al tubérculo de tizón tardío. Es moderadamente susceptible a la agalla de la raíz por sarna polvorienta, PVY0, infección al tubérculo de tizón temprano, pudrición blanda por Erwinia y pudrición seca por Fusarium. Blazer Russet es susceptible a marchitez por Verticillium, pudrición rosada, a la necrosis en red por PLRV, anillo corchoso y tizón temprano y tardio al follaje.

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Stark, J.C., Novy, R.G., Love, S.L. et al. Blazer russet: An early to Mid-Season potato cultivar with high U.S. no. 1 yields and good processing and culinary qualities. Amer J of Potato Res 84, 447–457 (2007). https://doi.org/10.1007/BF02987881

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